neckwear vs cravat

neckwear and cravat both are nouns.

Word	Noun	Adjective	Verb	Adverb
neckwear	Yes	No	No	No
cravat	Yes	No	No	No

As nouns, cravat is a hyponym of neckwear; that is, cravat is a word with a more specific, narrower meaning than neckwear:

neckwear: articles of clothing worn about the neck
cravat: neckwear worn in a slipknot with long ends overlapping vertically in front

Other hyponyms of neckwear include necktie, tie.

neckwear (noun)	cravat (noun)
articles of clothing worn about the neck	neckwear worn in a slipknot with long ends overlapping vertically in front